The 28-day wait is only limited to certain movie studios based upon agreements Netflix made with them. For example I got the Iron Man 2 blu-ray mailed out day of release.--Make the homies say HO and the girlies wanna SCREAM!
Yeah I am aware of that. However, after making the first arrangement, other studioes were added. Recently I heard that one studio in particular is even thinking of extending it even more.